Specifications: Body material:Metal;  Display:1.8 Inch, resolution 160 * 128;  Operation key: touch;  Memory:The player has no memory and needs to insert a memory card before it can be used.  Tfcard expansion:the maximum support is 128gtf card expansion.  Bluetooth version:5.0. Can connect Bluetooth headset and Bluetooth speaker.  Music format:ape, FLAC, AAC, MP3, WAV and other formats are supported,  Equalizer:Yes, you can choose 6 music styles. Rock, funk, shiphoughton, classical, electronic.  Playback mode:repeated playback and random play, all circular play. You can continue the last play.  Video:support avi format video with resolution of 320 * 240. Video format needs to be converted through video converter, we can provide video converter.  A-B repeat:Yes. Repeat up to 10 times. The maximum repetition interval is 10 seconds.  Variable speed playback:supported. 14 levels of variable speed playback.  Recording: support. Recording format wav.  Radio: support. The headset needs to be plugged in as an antenna, which supports 87mhz-108mhz frequency band. It supports FM recording, automatic tuning, manual tuning and channel saving.  E-book: it supports TXT format, automatic play, automatic play time, font size, background color, and player to delete e-book. You can choose the number of pages. Bookmarks are supported.  Language:Support Chinese and English.  Calendar:support;  Stopwatch:support;  Alarm clock:support;  Picture:support;     Package Contents: 1 * MP3 Player;  1 * USB Cable;  1 * Instruction manual